IMP-400UHD User Guide
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6.3.4 5V Power output/Contact input/Tally output
The IMP has contact input/tally output connector as external control interface which enables control from PC’s
I/O board and remote operation from a switch box.
A 5V power output connector is included for Tally LED.
[Fig. 6.4] 5V Power output/Contact input/Tally output connectors
■
Pin assignment
[Table 6.2] Pin assignments of 5V Power output /Contact input/Tally output connectors
Connector
Pin #
Terminal
Feature
5V OUT
1
LED300
DC 5 V output (with 300
Ω
current-limiting resistor)
2
LED75
DC 5 V output (with 75
Ω
current-limiting resistor)
3
VCC 5V
DC 5 V output (500 mA, rated)
IN1
C
Contact input
When 0V (GND) is input, IN1 will be selected.
G
GND
―
T
Tally output
When IN1 is selected, 0V (GND) is output.
IN2
C
Contact input
When 0V (GND) is input, IN2 will be selected.
G
GND
―
T
Tally output
When IN2 is selected, 0V (GND) is output.
IN3
C
Contact input
When 0V (GND) is input, IN3 will be selected.
G
GND
―
T
Tally output
When IN3 is selected, 0V (GND) is output.
IN4
C
Contact input
When 0V (GND) is input, IN4 will be selected.
G
GND
―
T
Tally output
When IN4 is selected, 0V (GND) is output.
OFF
C
Contact input
When 0V (GND) is input, OFF will be selected.
G
GND
―
T
Tally output
When OFF is selected, 0V (GND) is output.
